I was told that it's an imitation of prison clothes - prisoners aren't allowed belts and the clothes issued are usually ill fitting. I can't imagine exposing your buttocks being a good thing in jails myself.

A blog about, among other things, imaginary ideas - What ifs? and Imagine thats. What if photographs looked nothing like what we see with our eyes? Imagine that the Berlin Wall had never come down. What if we were the punchline of an interminable joke? All contributions welcome.